Re: Removing the concept of "optional any"

On 2/19/14 12:15 PM, Allen Wirfs-Brock wrote:
> if you were defining such a function in ES6, you might either write:
> function f(arg) { }  //this feels like 'any arg'
>     //f.length is 1
> or
> function f(arg=undefined) {}  //this feels like 'optional any arg'
> //  f.length is 0

That's true.

I suppose we could keep allowing "any" and "optional any" but have them 
processed exactly the same way (basically special-casing "optional" 
processing for "any") except for the .length behavior...  That said, 
would we still want the argc check in that case?


Received on Wednesday, 19 February 2014 17:18:03 UTC